public async Task <int> StartUp()
{
// do we need a new access token
if (localSettings.Values["access_token"] == null || localSettings.Values["access_token_expire"] == null ||
!IsTokenValid(Convert.ToDateTime(localSettings.Values["access_token_expire"].ToString())))
{
if (await GetAPIToken() == null)
{
return(1001);
}
}
// get the device detail
SystemDetail systemDetail = await CashGenicAPIService.GetSystem(localSettings.Values["access_token"].ToString());
if (systemDetail == null)
{
return(1000);
}
else
{
// fire new system connected event
NewSystemConnectedArgs args = new NewSystemConnectedArgs();
args.system = systemDetail;
OnNewSystemConnected(args);
_ = Task.Factory.StartNew(() => RunSystem());
}
return(0);
}
private async Task <ApiToken> GetAPIToken()
{
ApiToken apiToken = await CashGenicAPIService.GetToken(localSettings.Values["apiUserName"].ToString(), localSettings.Values["apiPassword"].ToString());
if (apiToken != null)
{
DateTime d = DateTime.Now.AddMilliseconds(apiToken.expires_in);
localSettings.Values["access_token_expire"] = d.ToString();
localSettings.Values["access_token"] = apiToken.access_token;
}
return(apiToken);
}
private async Task RunSystem()
{
_runSystem = true;
while (_runSystem)
{
// check for token refresh required
if (localSettings.Values["access_token"] == null || localSettings.Values["access_token_expire"] == null ||
!IsTokenValid(Convert.ToDateTime(localSettings.Values["access_token_expire"].ToString())))
{
if (await GetAPIToken() == null)
{
_runSystem = false;
NewSystemErrorArgs args = new NewSystemErrorArgs();
args.systemError = SystemError.no_connection;
OnNewSystemError(args);
break;
}
}
// get the status
SystemStatus systemStatus = await CashGenicAPIService.GetStatus(localSettings.Values["access_token"].ToString());
if (systemStatus == null)
{
_runSystem = false;
NewSystemErrorArgs args = new NewSystemErrorArgs();
args.systemError = SystemError.no_connection;
OnNewSystemError(args);
break;
}
ParseStatus(systemStatus.Events);
// any commands
if (_cancelPayment)
{
_cancelPayment = false;
SystemResponse systemResponse = await CashGenicAPIService.CancelSession(localSettings.Values["access_token"].ToString());
}
if (_closeSession)
{
_closeSession = false;
SystemResponse systemResponse = await CashGenicAPIService.EndSession(localSettings.Values["access_token"].ToString());
}
// poll delay
Thread.Sleep(500);
}
}
public async Task <SystemResponse> StartRefundSession(int requestValue)
{
if (localSettings.Values["access_token"] == null || localSettings.Values["access_token_expire"] == null ||
!IsTokenValid(Convert.ToDateTime(localSettings.Values["access_token_expire"].ToString())))
{
if (await GetAPIToken() == null)
{
return(SystemResponse.InvalidCredentials);
}
}
SystemResponse ret = await CashGenicAPIService.StartRefundSession(localSettings.Values["access_token"].ToString(), requestValue);
return(ret);
}